Intel VMX Virtualization Instruction Set Architecture (ISA) Extension

Intel VMX virtualization instructions added with the Pentium 4 processors:

• VMCALL
  Call to VM Monitor
• VMCLEAR
  Clear Virtual-Machine Control Structure
• VMLAUNCH/VMRESUME
  Launch/Resume Virtual Machine
• VMPTRLD
  Load Pointer to Virtual-Machine Control Structure
• VMPTRST
  Store Pointer to Virtual-Machine Control Structure
• VMREAD
  Read Field from Virtual-Machine Control Structure
• VMWRITE
  Write Field to Virtual-Machine Control Structure
• VMXOFF
  Leave VMX Operation
• VMXON
  Enter VMX Operation